@book{12886,
	author = {Gray, A & Wallace, G A.},
	title = {Principles and practice of electrical engineering /},
	publisher = {McGraw-Hill,},
	year = {1962.},
	address = {[S.l.] :},
	edition = {8Rev Ed.},
	note = {Import.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0070242194/chopaconline-20}
}